Base | Representation |
---|---|
bin | 100100011010111… |
… | …1100110001110100 |
3 | 10011011121012221221 |
4 | 1020311330301310 |
5 | 10000324232012 |
6 | 321133520124 |
7 | 42166460656 |
oct | 11065746164 |
9 | 3134535857 |
10 | 1222102132 |
11 | 577932469 |
12 | 2a1343044 |
13 | 166262674 |
14 | b84446d6 |
15 | 72454507 |
hex | 48d7cc74 |
1222102132 has 12 divisors (see below), whose sum is σ = 2138954020. Its totient is φ = 610972416.
The previous prime is 1222102111. The next prime is 1222102139. The reversal of 1222102132 is 2312012221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 478121956 + 743980176 = 21866^2 + 27276^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222102139) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28294 + ... + 56962.
Almost surely, 21222102132 is an apocalyptic number.
It is an amenable number.
1222102132 is a deficient number, since it is larger than the sum of its proper divisors (916851888).
1222102132 is a wasteful number, since it uses less digits than its factorization.
1222102132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39330 (or 39328 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 1222102132 is about 34958.5773738006. The cubic root of 1222102132 is about 1069.1430912598.
Adding to 1222102132 its reverse (2312012221), we get a palindrome (3534114353).
The spelling of 1222102132 in words is "one billion, two hundred twenty-two million, one hundred two thousand, one hundred thirty-two".
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